How to use

How to use MMO

Select your product and tell us where you’ll be using it to find all the usage and tips you need in order to make the most out of your Marvel product. We also have a selection of helpful FAQs to help find the answers you need quickly.

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Here is how to use it

<p><span>ADDED TO ENGINE OIL: Use Marvel Mystery Oil in the crankcase to enhance oil lubrication and sludge control.</span></p>
<p><span> For example, if your engine has a 5-quart oil capacity, replace one of the quarts with a quart of Marvel Mystery Oil. Repeat at every oil change for optimal performance.</span></p>

Lubrication for Sludge Control

ADDED TO ENGINE OIL: Use Marvel Mystery Oil in the crankcase to enhance oil lubrication and sludge control.

For example, if your engine has a 5-quart oil capacity, replace one of the quarts with a quart of Marvel Mystery Oil. Repeat at every oil change for optimal performance.

<p>ADDED TO FUEL: At every fill-up add 4 ounces of Marvel Mystery Oil to every 10 gallons of diesel. Regular use can lead to improved fuel economy.</p>
<p>Not for use in diesel fuel in engines manufactured after 2007. For modern diesel engines use Marvel Ultimate Fuel & Motor Treatment instead of Marvel Mystery Oil.</p>

Increase Gas Mileage

ADDED TO FUEL: At every fill-up add 4 ounces of Marvel Mystery Oil to every 10 gallons of diesel. Regular use can lead to improved fuel economy.

Not for use in diesel fuel in engines manufactured after 2007. For modern diesel engines use Marvel Ultimate Fuel & Motor Treatment instead of Marvel Mystery Oil.

<p>ADDED TO FUEL: At every fill-up add 4 ounces of Marvel Mystery Oil to every 10 gallons of diesel. Regular use can lead to improved fuel economy.</p>
<p>ADDED TO ENGINE OIL: At your next oil change, replace 20% of your engine oil (traditional or synthetic) with Marvel Mystery Oil. For example, if your engine has a 5-quart oil capacity, replace one of the quarts with a quart of Marvel Mystery Oil. Repeat at every oil change for optimal performance. Marvel Mystery Oil can be added to engine oil 300 to 500 miles before your next oil change to supplement sludge removal and enhance engine cleaning. </p>

Cleaning for Engines & Fuel Systems

ADDED TO FUEL: At every fill-up add 4 ounces of Marvel Mystery Oil to every 10 gallons of diesel. Regular use can lead to improved fuel economy.

ADDED TO ENGINE OIL: At your next oil change, replace 20% of your engine oil (traditional or synthetic) with Marvel Mystery Oil. For example, if your engine has a 5-quart oil capacity, replace one of the quarts with a quart of Marvel Mystery Oil. Repeat at every oil change for optimal performance. Marvel Mystery Oil can be added to engine oil 300 to 500 miles before your next oil change to supplement sludge removal and enhance engine cleaning. 

<p><span>Added to Engine Oil: Add Marvel Mystery Oil to up to 20% of crankcase capacity to improve oil flow and prevent oil thickening in sub-zero temperatures.</span></p>

Cold Weather Starts

Added to Engine Oil: Add Marvel Mystery Oil to up to 20% of crankcase capacity to improve oil flow and prevent oil thickening in sub-zero temperatures.